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Page 8 of 102 <br />Seneca 11 -W Mine; C- <br />1982 -057 <br />Bond Release Application No. 5 <br />(SL5) Cost Estimate <br />Task 038 —Post Mining Channel <br />Designs <br />Project Identification <br />Date: <br />7/8/2014 <br />Permit: <br />C -1982- <br />057 <br />Site: Seneca 11 -W <br />Mine <br />User: <br />JLE <br />State: Colorado <br />Task:038 <br />Filename: <br />I C057 -038 <br />I County: Routt <br />Agency: Colorado Division of <br />Reclamation, Mining <br />and Safety <br />Permit Action: Midterm Review No. 6 MT6 <br />Task Description: Construction Post- Mining Drainage Channels <br />Channel <br />Fabric (SY) <br />Riprap (CY) <br />PM -2 <br />390 <br />150 <br />PM -2D <br />1900 <br />475 <br />PM -3 <br />300 <br />75 <br />P-94 <br />445 <br />48 <br />Total <br />2590 <br />700 <br />Materials Needed <br />Geotextile (SY): <br />2590 <br />Riprap (CY): <br />700 <br />Materials Costs <br />Geotextile (SY): <br />$2.11 <br />Riprap (CY): <br />$52.35 <br />RSMeans <br />2014 <br />3132 19.16 1500 <br />3137 13.10 0100 <br />Totals <br />Geotextile (SY): <br />$5,464.90 <br />Riprap (CY): <br />$36,645 <br />Hours <br />Geotextile (SY): <br />29.65 <br />Riprap (CY): <br />90.33 <br />87.5 SY /HR <br />7.75 <br />CY /HR <br />Total Post Mining <br />Channel Reconstruction Hours: <br />1 <br />120 <br />Total Post - Mining <br />Channel Reconstruction Cost: <br />$42,110.00 <br />CIRCES Cost Estimating Software <br />